2025-02-13 10:17AM
1.创建备份目录
eg:
$ mkdir /opt/social_data_backup
2.给备份目录增加权限
$ sudo chown -R elasticsearch:elasticsearch /opt/social_data_backup/
$ ls -ld /opt/social_data_backup
drwxr-xr-x 2 elasticsearch elasticsearch 4096 Feb 13 04:26 /opt/social_data_backup
3.配置备份目录
在/etc/elasticsearch/elasticsearch.yml文件中增加path.repo
path.repo: ["/opt/social_data_backup"]
4.重启elasticsearch
$ sudo systemctl restart elasticsearch
5.创建仓库（这里使用的是本地仓库）
$ curl -X PUT "localhost:9200/_snapshot/your_repository_name" -H 'Content-Type: application/json' -d'
{
"type": "fs",
"settings": {
"location": "/opt/your_backup_location",
"compress": true
}
}
eg:
$ curl -X PUT "localhost:9200/_snapshot/social_data" -H 'Content-Type: application/json' -d'
{
"type": "fs",
"settings": {
"location": "/opt/social_data_backup",
"compress": true
}
}'
{"acknowledged":true}
6.创建快照
curl -X PUT "http://localhost:9200/_snapshot/my_backup/snapshot_1" -H 'Content-Type: application/json' -d'
{
"indices": "my_index",
"ignore_unavailable": true,
"include_global_state": false
}
eg:
$ curl -X PUT "localhost:9200/_snapshot/social_data/snapshot_1" -H 'Content-Type: application/json' -d'
{
"indices": "social_data",
"ignore_unavailable": true,
"include_global_state": false
}'
{"accepted":true}
7.检查快照状态
$ curl -X GET "localhost:9200/_snapshot/social_data/snapshot_1/_status"
8.列出所有快照
$ curl -X GET "localhost:9200/_snapshot/social_data/_all"
9.查看未分配分片的详细信息
$ curl -X GET "localhost:9200/_cat/shards?v"
10.可以在备份目录查看备份进度
$ ls -altrh
total 20K
drwxr-xr-x 6 root root 4.0K Feb 13 04:26 ..
-rw-r--r-- 1 elasticsearch elasticsearch 154 Feb 13 04:45 index-1
-rw-r--r-- 1 elasticsearch elasticsearch 8 Feb 13 04:45 index.latest
drwxr-xr-x 3 elasticsearch elasticsearch 4.0K Feb 13 04:45 .
drwxr-xr-x 3 elasticsearch elasticsearch 4.0K Feb 13 04:45 indices
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